Just to add to post,
I am on Spectrum, in Austin TX and have the lag.
I downloaded game yesterday (Terrible time to try to come back and play) and the download was only 10MBPS. I was able to download from other sites at 450mbps, so that would mean their servers were limiting my download speed.
My theory is a router or switch is down or has a fault near the physical server location that spectrum users are routed through and we are being routed a different pathway. The new path has a lower cost (Speed) on the route and likely cannot handle the extra load from all the new Spectrum users it has to pick up. Its possible that Spectrum has no control over the router or switch and its a 3rd parties hardware. They could complain on our behalf that its effecting our service and demand it be fixed.